Material: Rubber Type: Stamps This is a handmade stamp. It is not an eraser stamp. This is a rubber stamp, a stamp made with professional-grade rubber. 150 yen discount for multiple purchases. No discounts for single items. This is a piano keyboard stamp. Perfect for lessons, practice, and music theory studies in piano classes! The material and height of the wooden base vary depending on the product. Please note that there may be some blurring or misalignment when stamping. Wooden base size: 20mm x 40mm ⚠️The height of the wooden base varies depending on the product. ⚠️We do not accept made-to-order (custom or semi-custom) requests. ⚠️Copyright is not waived. ⚠️Commercial use (purchases for resale, design reuse, theft, etc.) and secondary use (selling stickers, cards, etc. stamped with this stamp) are strictly prohibited. Instant purchase without comment is welcome. We offer discounts for multiple purchases. Please comment before purchasing, and we will create a dedicated page for you. 150 yen off for each additional item. Discounts cannot be applied after purchase, so please be aware. #tama's Stamp Shop